A few days ago, research published in JAMA Network Open showed that, although the use of melatonin in children is growing, its effectiveness and long-term effects are unknown. It is important to note that there are several types of melatonin, with or without a prescription, and their effects also differ in children and adults.

The General Assembly of the United Nations has declared 2026 as the International Year of the Woman Farmer. This initiative aims to ‘raise awareness and focus policy attention on the obstacles and challenges faced by women and girls in agriculture,’ as well as to promote actions to address these issues. But what are these obstacles? We answer questions about the situation of women farmers with data and expert sources. 

One in five people in Spain suffers from unwanted loneliness, but what exactly is it? What consequences can it have and who suffers from it most? Is it appropriate and realistic to talk about an epidemic of loneliness? What are the causes and possible solutions? What role do social networks play? We answer these and other questions about a central problem in our societies.

COP30 will kick off on 10 November in Belém, a Brazilian city and gateway to the Amazon. Expectations are high because it coincides with the tenth anniversary of the Paris Agreement, whose goal of limiting the temperature increase to 1.5 °C was shattered in 2024. In addition, this year countries must present a new version of their measures to combat climate change in a turbulent geopolitical context, marked by the Trump administration's abandonment of the climate agenda.

A new school year has begun, and pollution, which exceeds recommended limits in many urban centres, will once again affect children and their families. What consequences could this have on health? How does climate change affect it? What solutions can be implemented? SMC Spain organised an informative session with Julio Díaz and Cristina Linares to answer these questions.

The use of creatine among athletes is not new, although its consumption has become popular on social media. We answer questions about this compound with the help of experts in nutrition, sports and dietetics.

The Pan American Health Organisation has maintained its epidemiological alert for Oropouche fever since it was first issued in February 2024. Although the virus only circulates endemically in the Americas, the importation of cases to Europe following international travel is keeping health agencies and authorities on alert.

Cases of dengue and chikungunya in continental Europe increased in 2025, the European Centre for Disease Control (ECDC) warns. This article sums up the main issues and addresses possible ways to curb transmission.

Two people have died in a fire that has burned more than 5,500 hectares in the province of Lleida. Firefighters from the Catalan government declared it under control last night, after 29 hours. Salvador Illa, president of the Catalan regional government, called for ‘maximum caution’ from the public, warning that ‘today's fires are not like those of the past, they are extremely dangerous,’ according to RTVE.es. Why is this fire considered extreme? What should you do when a fire breaks out? How can more fires be prevented? In this article, we have compiled explanations and basic recommendations with the help of expert sources.

With the summer holidays approaching, questions arise about how to prepare for trips to other countries, including health recommendations. In this guide, we explain the basics of how to protect yourself and others.